CHARGING MANAGEMENT DEVICE, CHARGING MANAGEMENT SYSTEM, AND CHARGING MANAGEMENT METHOD
First Claim
1. A charging management device comprising:
- a first acquisition circuitry which acquires EV information necessary to charge each EV car in a charging station;
a second acquisition circuitry which acquires stationary storage battery information including a maximum output power of a stationary storage battery provided in the charging station;
a third acquisition circuitry which acquires supply power information from a system power which can be used to charge each EV car in the charging station;
a fourth acquisition circuitry which acquires charger information including a maximum output power of a charger provided in the charging station;
a preliminary charging amount calculation circuitry which calculates a preliminary charging amount representing a charging amount of each EV car which can be charged in the charging station based on the information acquired by the first to fourth acquisition circuitries;
an EV charging model storage circuitry which stores an EV charging model outputting a maximum charging amount of the EV car by using the maximum output power of the charger and a charging time of the EV car as input parameters; and
a charging condition determination circuitry which, after a certain constraint condition is satisfied, determines a charging condition that the charging time of each EV car and the maximum output power of the charger are within certain ranges, respectively, and the difference between the maximum charging amount of each EV car and the preliminary charging amount is further reduced.
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Abstract
A charging management device has a first acquisition circuitry which acquires EV information necessary to charge each EV car in a charging station, a second acquisition circuitry which acquires stationary storage battery information, a third acquisition circuitry which acquires supply power information from a system power, a fourth acquisition circuitry which acquires charger information, a preliminary charging amount calculation circuitry which calculates a preliminary charging amount representing a charging amount of each EV car, an EV charging model storage circuitry which stores an EV charging model outputting a maximum charging amount of the EV car, and a charging condition determination circuitry which determines a charging condition that the charging time of each EV car and the maximum output power of the charger are within certain ranges, respectively, and the difference between the maximum charging amount of each EV car and the preliminary charging amount is further reduced.
40 Citations
18 Claims
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1. A charging management device comprising:
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a first acquisition circuitry which acquires EV information necessary to charge each EV car in a charging station; a second acquisition circuitry which acquires stationary storage battery information including a maximum output power of a stationary storage battery provided in the charging station; a third acquisition circuitry which acquires supply power information from a system power which can be used to charge each EV car in the charging station; a fourth acquisition circuitry which acquires charger information including a maximum output power of a charger provided in the charging station; a preliminary charging amount calculation circuitry which calculates a preliminary charging amount representing a charging amount of each EV car which can be charged in the charging station based on the information acquired by the first to fourth acquisition circuitries; an EV charging model storage circuitry which stores an EV charging model outputting a maximum charging amount of the EV car by using the maximum output power of the charger and a charging time of the EV car as input parameters; and a charging condition determination circuitry which, after a certain constraint condition is satisfied, determines a charging condition that the charging time of each EV car and the maximum output power of the charger are within certain ranges, respectively, and the difference between the maximum charging amount of each EV car and the preliminary charging amount is further reduced. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A charging management system comprising:
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a plurality of charging stations, each of which comprising a charger and a stationary storage battery to perform charging of EV cars; and a management circuitry which determines a charging station at which is to charge each EV car traveling in the periphery of the plurality of charging stations and manages a charging amount in the determined charging station; wherein each of the plurality of charging stations comprises; a first acquisition circuitry which acquires EV information necessary to charge each EV car in the charging station; a second acquisition circuitry which acquires stationary storage battery information including a maximum output power of the stationary storage battery provided in the charging station; a third acquisition circuitry which acquires supply power information from a system which can be used to charge each EV car in the charging station; a fourth acquisition circuitry which acquires charger information including a maximum output power of the charger provided in the charging station; a preliminary charging amount calculation circuitry which calculates a preliminary charging amount representing a charging amount of each EV car which can be charged in the charging station based on the information acquired from the first to fourth acquisition circuitries; an EV charging model storage circuitry which stores an EV charging model outputting a maximum charging amount of the EV car or a necessary discharging amount of the stationary storage battery by using the maximum output power of the charger and a charging time of the EV car as input parameters; and a charging condition determination circuitry which, after a certain constraint condition is satisfied, determines a charging condition that the charging time of each EV car and the maximum output power of the charger are within certain respective ranges and the difference between the maximum charging amount of each EV car and the preliminary charging amount is further reduced. - View Dependent Claims (17)
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18. A charging management method comprising:
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acquiring EV information necessary to charge each EV car in a charging station; acquiring stationary storage battery information including a maximum output power of a stationary storage battery provided in the charging station; acquiring supply power information from a system power which can be used to charge each EV car in the charging station; acquiring charger information including a maximum output power of a charger provided in the charging station; calculating a preliminary charging amount representing a charging amount of each EV car which can be charged in the charging station based on the acquired EV information, the acquired stationary storage battery information, the acquired supply power information, and the acquired charger information; storing an EV charging model outputting a maximum charging amount of the EV car by using the maximum output power of the charger and a charging time of the EV car as input parameters; and after a certain constraint condition being satisfied, determining a charging condition that the charging time of each EV car and the maximum output power of the charger are within certain ranges, respectively, and the difference between the maximum charging amount of each EV car and the preliminary charging amount is further reduced.
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Specification